Flotation of zinc oxide ore using cationic and cationic-anionic mixed collectors

• Autorzy: Mehdilo A. , Irannajad M. , Zarei H.
• Języki publikacji: EN

Abstrakty

EN

Flotation of smithsonite coming from a cerussite flotation circuit was investigated using Armac C and Armac T as cationic collectors and their mixtures with potassium amyl xanthate (KAX) as an anionic collector. Under optimum condition using Armac T with sodium hexamethaphosphate as a de-pressant, a smithsonite concentrate with 42% Zn and 89.6% recovery is obtained while in the presence of sodium silicate depressant Armac C produces a concentrate containing 40.8% Zn with 92.5% recovery. However, Armac T acts a little more selectively than Armac C but their mixture with KAX act inversely. The KAX-Armac C mixed collector improves the Zn grade and recovery of the flotation concentrate while KAX-Armac T does not. At the mixture ratio of KAX - Armac C 2:1, the amine collector consump-tion is decreased and an optimal concentrate with 94% recovery and 43% Zn grade is obtained without any gangue depressant reagents.

Słowa kluczowe

EN

flotation; smithsonite; collector; mixed collector; zinc

• Wydawca: Oficyna Wydawnicza Politechniki Wrocławskiej
• Czasopismo: Physicochemical Problems of Mineral Processing
• Rocznik: 2013
• Tom: Vol. 49, iss. 1
• Strony: 145--156
• Opis fizyczny: Bibliogr. 33 poz., tab., wykr.

Twórcy

autor

Mehdilo A.

• Department of Mining and Metallurgical Eng., Amirkabir University of Technology, Tehran, Iran

autor

Irannajad M.

• Department of Mining and Metallurgical Eng., Amirkabir University of Technology, Tehran, Iran

autor

Zarei H.

• Department of Mining and Metallurgical Eng., Amirkabir University of Technology, Tehran, Iran

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